return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for H2CNCN (cyanamide, methylene)

using model chemistry: wB97X-D/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at wB97X-D/CEP-121G*
 hartrees
Energy at 0K-32.260900
Energy at 298.15K 
HF Energy-32.260900
Nuclear repulsion energy46.867472
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at wB97X-D/CEP-121G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3216 3216 10.96 96.55 0.58 0.73
2 A' 3093 3093 23.87 106.06 0.14 0.25
3 A' 2299 2299 61.54 190.56 0.26 0.42
4 A' 1708 1708 40.05 50.98 0.20 0.34
5 A' 1511 1511 18.61 32.25 0.43 0.60
6 A' 1238 1238 7.97 4.84 0.75 0.85
7 A' 946 946 6.88 1.13 0.17 0.29
8 A' 634 634 2.95 2.87 0.26 0.41
9 A' 253 253 6.39 10.23 0.56 0.71
10 A" 1123 1123 21.61 0.22 0.75 0.86
11 A" 782 782 0.79 6.94 0.75 0.86
12 A" 378 378 8.30 0.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8589.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8589.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at wB97X-D/CEP-121G*
ABC
2.11302 0.18017 0.16602

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.089 -1.550 0.000
N2 -0.631 -0.490 0.000
C3 0.000 0.713 0.000
N4 0.446 1.788 0.000
H5 -0.426 -2.511 0.000
H6 1.184 -1.546 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28132.26453.35671.08981.0950
N21.28131.35832.51962.03102.0998
C32.26451.35831.16383.25142.5503
N43.35672.51961.16384.38583.4143
H51.08982.03103.25144.38581.8765
H61.09502.09982.55033.41431.8765

picture of cyanamide, methylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 118.132 N2 C1 H5 117.633
N2 C1 H6 123.982 N2 C3 N4 174.866
H5 C1 H6 118.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.253      
2 N 0.042      
3 C -0.167      
4 N -0.038      
5 H 0.217      
6 H 0.200      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.567 -4.581 0.000 4.616
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.668 -2.836 0.000
y -2.836 -23.154 0.000
z 0.000 0.000 -22.644
Traceless
 xyz
x -0.769 -2.836 0.000
y -2.836 0.002 0.000
z 0.000 0.000 0.767
Polar
3z2-r21.534
x2-y2-0.514
xy-2.836
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.822 0.342 0.000
y 0.342 8.253 0.000
z 0.000 0.000 2.552


<r2> (average value of r2) Å2
<r2> 56.578
(<r2>)1/2 7.522